CN104492583A - Method for improving dust collecting efficiency in gypsum crushing process - Google Patents
Method for improving dust collecting efficiency in gypsum crushing process Download PDFInfo
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- CN104492583A CN104492583A CN201410708428.1A CN201410708428A CN104492583A CN 104492583 A CN104492583 A CN 104492583A CN 201410708428 A CN201410708428 A CN 201410708428A CN 104492583 A CN104492583 A CN 104492583A
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- Prior art keywords
- dust
- gypsum
- cloth bag
- collecting efficiency
- cylindrical shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
Abstract
The invention discloses a method for improving dust collecting efficiency in a gypsum crushing process. The method comprises the following steps: in a crushing room, clearing accumulated materials in an air exhausting pipeline to enable a wind path to be smooth; performing repair welding on an air duct and a barrel body and replacing a lower cone to enable the air duct and the barrel body to be free of air leakage, and normally using a flap valve; replacing a cloth bag at regular intervals to enable the cloth bag to be free of accumulated dust and enable air exhaustion to be smooth. The method for improving dust collecting efficiency in the gypsum crushing process disclosed by the invention can be used for overcoming the defects such as a unreasonable structure, a complex operation process and high maintenance cost in the prior art to realize advantages of a reasonable structure, a simple operation process and low maintenance cost.
Description
Technical field
The present invention relates to cement processing technique field, particularly, relate to a kind of method improving gypsum shattering process dust-collecting efficiency.
Background technology
Gypsum crushing system is made up of structures such as gypsum feeding machine, gypsum disintegrating machine, dust-precipitator, gypsum scraper, belt feeders.Gypsum disintegrating machine is the fragmentation of the nucleus equipment of gypsum crushing system, primary responsibility gypsum.Dust-precipitator is the dust collection device of whole gypsum crushing system, and it is very large to the good bad influence of ambient air quality.Dust emission concentration is greater than 400 milligrams/mark cubic meter.
According to shipment subsidiary factory dust concentration measuring record sheet, obtain dust-precipitator exhaust outlet dust concentration data in August, 2012 in December, 2013:
Before transformation, dust-precipitator exhaust outlet dust concentration is greater than national standard, is greater than company standard.Because dust emission concentration is greater than national standard, be greater than company standard, gypsum crushing system can not normally be opened, and when opening, causing a large amount of gypsum to run off, causing very large loss, therefore in the urgent need to transforming dust-precipitator to company.
Crushing chamber dust concentration, that minimum is 390mg/ mark m3, and the highest 450mg/ that reaches marks m3, and through investigation, the dust concentration of discharge does not once meet company standard.Therefore, solve the task of top priority that the dust-precipitator problem of gathering dust has become us, in order to the interests of service companies, reduce air-borne dust concentration, we will improve gypsum crushing system dust-precipitator dust-collecting efficiency.Air draft pipeline blocks, wind path corrosion, cylindrical shell corrosion, cloth bag sizing, poor air permeability.
Realizing in process of the present invention, inventor finds at least there is the defects such as unreasonable structure, operating procedure complexity and maintenance cost are high in prior art.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of method improving gypsum shattering process dust-collecting efficiency, to realize rational in infrastructure, that operating procedure is simple and maintenance cost is low advantage.
For achieving the above object, the technical solution used in the present invention is: a kind of method improving gypsum shattering process dust-collecting efficiency, comprising:
A, at crushing chamber, cleaning air draft pipeline in buildup, make wind path smooth and easy;
B, repair welding airduct, cylindrical shell, lower cone is changed, and make wind path, cylindrical shell without leaking out, flap valve normally uses;
C, periodic replacement cloth bag, make cloth bag not dust stratification, exhausting is smooth and easy.
Further, described step a, specifically comprises:
During cleaning pipeline, need inactive gypsum crushing system dust-precipitator, therefore whole inactive gypsum crushing system all must stop;
Cleaning pipeline buildup need first confirm putty position, is then cut open by pipeline cutting torch, removes buildup with the rapping of wind big gun, then by pipeline again soldering, and reserved peep hole.
Further, described step b, specifically comprises:
Repair welding airduct, cylindrical shell, it is the heaviest, consuming time the longest that lower cone changes this work;
First time, when shutting down, main task was repair welding airduct and cylindrical shell;
When second time is shut down, main task changes lower cone and blanking panel turnover valve, needs the comparison carrying out relative dimensions parameter before replacing, guarantees that maintenance completes smoothly.
Further, described step c, specifically comprises:
Cloth bag sizing, poor air permeability affect the exhausting wind-force of dust-precipitator;
To gathering dust, cloth bag is changed, and during replacing, needs first to be opened by cylindrical shell Cang Gai, then takes out keel shoe, change cloth bag, load onto keel shoe, do the sealing of Long Position lid, last installation and debugging.
The method of the raising gypsum shattering process dust-collecting efficiency of various embodiments of the present invention, owing to comprising: at crushing chamber, the buildup in cleaning air draft pipeline, makes wind path smooth and easy; Repair welding airduct, cylindrical shell, lower cone is changed, and make wind path, cylindrical shell without leaking out, flap valve normally uses; Periodic replacement cloth bag, make cloth bag not dust stratification, exhausting is smooth and easy; Thus the high defect of unreasonable structure in prior art, operating procedure complexity and maintenance cost can be overcome, to realize rational in infrastructure, that operating procedure is simple and maintenance cost is low advantage.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention.
Below by embodiment, technical scheme of the present invention is described in further detail.
Detailed description of the invention
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
According to the embodiment of the present invention, provide a kind of method improving gypsum shattering process dust-collecting efficiency.
Technical scheme of the present invention, can improve gypsum crushing system dust-precipitator dust-collecting efficiency, and dust emission concentration controls in 20 milligrams/mark cubic meter.
Gameeing of technical solution of the present invention:
the implementation measure of technical solution of the present invention:
Implement one: during cleaning pipeline, need inactive gypsum crushing system dust-precipitator, therefore whole crushing system all must stop.2 line associating storehouse gypsum pile with enough companies and produce 5 days, and therefore clearing up pipeline needs to complete in 5 days.Through investigation and analysis, cleaning pipeline buildup need first confirm putty position, is then cut open by pipeline cutting torch, removes buildup with the rapping of wind big gun, then by pipeline again soldering, and reserved peep hole.
Implement two: repair welding airduct, cylindrical shell, it is the heaviest, consuming time the longest that lower cone changes this work.At most can not more than 5 days owing to once shutting down, and this subtask is heavy, and therefore this work is carried out at twice.First time, when shutting down, main task was repair welding airduct and cylindrical shell.Because this repair welding working environment is relatively more severe, need to carry out each safeguard procedures.This is operated in and completes in July, 2013.When second time is shut down, main task changes lower cone and blanking panel turnover valve, needs the comparison carrying out relative dimensions parameter before replacing, guarantees that maintenance completes smoothly.
Implement three: cloth bag sizing, poor air permeability affect the exhausting wind-force of dust-precipitator.Therefore plan to change the cloth bag that gathers dust in September, 2013.During replacing, need first cylindrical shell Cang Gai to be opened, then take out keel shoe, change cloth bag, load onto keel shoe, do the sealing of Long Position lid, last installation and debugging.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. improve a method for gypsum shattering process dust-collecting efficiency, it is characterized in that, comprising:
A, at crushing chamber, cleaning air draft pipeline in buildup, make wind path smooth and easy;
B, repair welding airduct, cylindrical shell, lower cone is changed, and make wind path, cylindrical shell without leaking out, flap valve normally uses;
C, periodic replacement cloth bag, make cloth bag not dust stratification, exhausting is smooth and easy.
2. the method for raising gypsum shattering process dust-collecting efficiency according to claim 1, it is characterized in that, described step a, specifically comprises:
During cleaning pipeline, need inactive gypsum crushing system dust-precipitator, therefore whole inactive gypsum crushing system all must stop;
Cleaning pipeline buildup need first confirm putty position, is then cut open by pipeline cutting torch, removes buildup with the rapping of wind big gun, then by pipeline again soldering, and reserved peep hole.
3. the method for raising gypsum shattering process dust-collecting efficiency according to claim 1 and 2, it is characterized in that, described step b, specifically comprises:
Repair welding airduct, cylindrical shell, it is the heaviest, consuming time the longest that lower cone changes this work;
First time, when shutting down, main task was repair welding airduct and cylindrical shell;
When second time is shut down, main task changes lower cone and blanking panel turnover valve, needs the comparison carrying out relative dimensions parameter before replacing, guarantees that maintenance completes smoothly.
4. the method for raising gypsum shattering process dust-collecting efficiency according to claim 1 and 2, it is characterized in that, described step c, specifically comprises:
Cloth bag sizing, poor air permeability affect the exhausting wind-force of dust-precipitator;
To gathering dust, cloth bag is changed, and during replacing, needs first to be opened by cylindrical shell Cang Gai, then takes out keel shoe, change cloth bag, load onto keel shoe, do the sealing of Long Position lid, last installation and debugging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708428.1A CN104492583B (en) | 2014-11-27 | 2014-11-27 | A kind of method for improving gypsum shattering process dust-collecting efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708428.1A CN104492583B (en) | 2014-11-27 | 2014-11-27 | A kind of method for improving gypsum shattering process dust-collecting efficiency |
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| CN104492583A true CN104492583A (en) | 2015-04-08 |
| CN104492583B CN104492583B (en) | 2017-12-19 |
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| CN201410708428.1A Active CN104492583B (en) | 2014-11-27 | 2014-11-27 | A kind of method for improving gypsum shattering process dust-collecting efficiency |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010025565A (en) * | 2001-01-05 | 2001-04-06 | 이동남 | The method of making filler for bituminous paving mixtures and construction materials using rock fine sludge. |
| CN202061686U (en) * | 2011-03-24 | 2011-12-07 | 宁夏惠冶镁业集团有限公司 | Dust collection device of ball mill |
| KR20140042330A (en) * | 2012-09-28 | 2014-04-07 | 주식회사 포스코 | Device to prevent clogging vertical pipe of grinding mill for dust coal |
| JP2014104395A (en) * | 2012-11-26 | 2014-06-09 | Hyuga Seirensho:Kk | System and method for preventing coal dust firing in pulverized coal mill equipment |
-
2014
- 2014-11-27 CN CN201410708428.1A patent/CN104492583B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010025565A (en) * | 2001-01-05 | 2001-04-06 | 이동남 | The method of making filler for bituminous paving mixtures and construction materials using rock fine sludge. |
| CN202061686U (en) * | 2011-03-24 | 2011-12-07 | 宁夏惠冶镁业集团有限公司 | Dust collection device of ball mill |
| KR20140042330A (en) * | 2012-09-28 | 2014-04-07 | 주식회사 포스코 | Device to prevent clogging vertical pipe of grinding mill for dust coal |
| JP2014104395A (en) * | 2012-11-26 | 2014-06-09 | Hyuga Seirensho:Kk | System and method for preventing coal dust firing in pulverized coal mill equipment |
Non-Patent Citations (1)
| Title |
|---|
| 李少平: "改善破碎机除尘效果的措施", 《水泥》 * |
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| CN104492583B (en) | 2017-12-19 |
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